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Data / Nonprofits / Colorado / Longmont / Animal-related

Animal-related nonprofits in Longmont, CO: 21 registered with the IRS

21 animal-related nonprofits are registered with the IRS in Longmont, CO, 20 of them 501(c)(3) charities; the 8 that report revenue took in $13 million. The largest by revenue: Longmont Humane Society Inc ($5.3 million), Colorado Horse Rescue ($3.6 million), Dogs Playing for Life ($3 million).

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Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Longmont Humane Society Inc501(c)(3)1974$5.3 million$7.5 million2024-12
Colorado Horse Rescue501(c)(3)1989$3.6 million$7.1 million2025-06
Dogs Playing for Life501(c)(3)2015$3 million$1 million2025-12
Lightshine Canine Inc501(c)(3)2021$694,240$62,7622024-12
Knick O Time Horse Rescue and Rehabilitation501(c)(3)2005$152,225$39,2252024-12
Longmont Friends of Feral and Abandoned Cats501(c)(3)2013$110,701$116,7872025-12
Acres of Hope501(c)(3)2017$89,248$9,0662025-12
Annie and Millies Place501(c)(3)2021$75,853$45,6702025-06
Animal Kingdom Foundation501(c)(3)2017$0$02025-12
Clover Ridge Farm Animal Sanctuary Inc501(c)(3)2018$0$02025-12
Colorado Reptile Humane Society501(c)(3)1999$0$02025-12
Equine Network Foundation Inc501(c)(3)2024$0$02024-12
Four Directions Pet Coalition Inc501(c)(3)2019$0$02024-12
Healing Souls Ranch501(c)(3)2025$0$02024-12
Pause Animal Wellness Sanctuary501(c)(3)2025$0$02025-12
Relay for Rescue501(c)(3)2018$0$02025-12
Secretariat Foundation Inc501(c)(3)2004$0$02024-11
Still Barking501(c)(3)2024$0$02024-12
Synergy Dog Gives Back501(c)(3)2023$0$02025-12
Twin Peaks Dog Club Inc501(c)(4)2012$0$02025-12
Winddancer Foundation Inc501(c)(3)2009$0$02024-12

Other causes in Longmont, CO

Every nonprofit in Longmont, CO · Animal-related nonprofits across the state · Nonprofits in every city of the state

Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.